Directory traversal vulnerability in TitanFTPd in South River Technologies Titan FTP Server 8.10.1125, and probably earlier versions, allows remote authenticated users to read arbitrary files, determine file size, via "..//" sequences in the xcrc command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/59492
http://www.securityfocus.com/archive/1/511839/100/0/threaded